Seiko Cal. 4550 - 428

This Hand-Winding model from 1967 features a 40mm Stainless Steel case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-fec9a6e64952]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1967

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